select
ID, -- ID NUMBER
NAME, -- NAME VARCHAR2(40)
SQL_FEATURE, -- SQL_FEATURE VARCHAR2(64)
ISDEFAULT, -- ISDEFAULT VARCHAR2(3)
VALUE, -- VALUE VARCHAR2(25)
DEFAULT_VALUE -- DEFAULT_VALUE VARCHAR2(25)
from
GV$SYS_OPTIMIZER_ENV
where
INST_ID = USERENV('Instance')